diamond drilling

英 美
  • (用)金刚石(钻头)钻孔
  • diamond n.钻石;菱形;棒球内场;纸牌的方块vt.用钻石装饰
  • drilling n.演练;钻孔
    1. The noise of the drilling is intolerable.
      钻孔的噪音让人受不了。
    2. The workmen have been drilling the road all day.
      工人们一整天都在那条马路上钻孔。